Experimental Study on the Mechanical Properties and Crack Propagation of Jointed Rock Mass Under Impact Load

2019 ◽  
Vol 37 (6) ◽  
pp. 5359-5370
Author(s):  
Sheng Zeng ◽  
Bowei Jiang ◽  
Bing Sun
Keyword(s):  
Mechanical Properties ◽  
Experimental Study ◽  
Rock Mass ◽  
Crack Propagation ◽  
Impact Load ◽  
Jointed Rock ◽  
Jointed Rock Mass

Strength Criteria of Jointed Rock Mass in Unloading Area

2013 ◽  
Vol 275-277 ◽  
pp. 348-351
Author(s):  
Fei Wang ◽  
Xu Li Liang ◽  
Jian Po Du
Keyword(s):  
Mechanical Properties ◽  
Rock Mass ◽  
Triaxial Test ◽  
Strength Criterion ◽  
Jointed Rock ◽  
Strength Properties ◽  
Jointed Rock Mass ◽  
Strength Criteria ◽  
Structural Plane ◽  
Strength Based

The strength properties of the rock under unloading conditions are essentially different from the rock under loading conditions. At present, the study on the mechanical properties of unloading rock mass is common, but the research for unloading strength properties of jointed rock mass, especially the influence of structural plane on unloading strength is seldom. The paper studied the failure characters of unloading rock mass, and the influences of structural plane properties on unloading strength based on triaxial test are considered emphatically. Finally the strength criterion of unloading rock mass is proposed in this paper.

Mechanical properties and reinforcement effect of jointed rock mass with pre-stressed bolt

2020 ◽  
Author(s):  
Wen-dong Yang ◽  
Guang-yu Luo ◽  
Chun-jie Bo ◽  
Ling Wang ◽  
Xian-xian Lü ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Rock Mass ◽  
Jointed Rock ◽  
Jointed Rock Mass ◽  
Reinforcement Effect
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